Khizi District is one of the 69 districts of Azerbaijan. Located in the east of the country, it belongs to the Absheron-Khizi Economic Region. The district borders the districts of Siyazan, Shabran, Quba, Shamakhi, Gobustan, and Absheron-Khizi. Its capital and largest city is Khizi. As of 2020, the district had a population of 17,100, making it the least populated district of Azerbaijan.

Siyazan District is one of the 60 districts of Azerbaijan. It is located in the north-east of the country and belongs to the Guba-Khachmaz Economic Region. The district borders the districts of Shabran, Khizi, and the exclaves of Quba. Its capital and largest city is Siyazan. As of 2020, the district had a population of 42,600.